when a body slides against a rough horizontal surface, the work done by friction is
Anonymous Quiz
29%
Positive
26%
Zero
32%
Negative
13%
Constant
If a force acts perpedicular to the direction of motion of a body, what is the amount of work done?
Anonymous Quiz
6%
Infinity
24%
Constant
67%
Zero
4%
one
❤1
What is the sign of the work done by gravity on a man standing on a platform?
Anonymous Quiz
25%
Positive
22%
Zero
41%
Negative
12%
Depend on a particular situation
❤4🤔1
What is the sign of the work performed on an object in uniform circular motion?
Anonymous Quiz
41%
Zero
25%
Positive
8%
Negative
27%
Depend on the particular situation
🤔5
❤1
Thirty-five kilometers __________ not a short distance.
Anonymous Quiz
37%
are
11%
were
48%
is
3%
do
G12-Biology The Endocrine system(@Ejeree_academy).pdf
872.5 KB
🔰Grade 12 Biology short notes
🔰 Endocrine system
🔰 Contains 106 questions with Answers
🔰 Endocrine system
🔰 Contains 106 questions with Answers
In the manufacturing process of cement, in which part of kiln does limestone decompose to calcium oxide?
Anonymous Quiz
27%
Upper part of the kiln
48%
Middle part of the kiln
17%
Lower end of the kiln
8%
In all part of the kiln
❤1
Consider the following steps:
Step1:Juicing
Step2:Cleansing and Grinding Step3:Clarifying Step4:Refinery Step5:Evaporation Step6:Crystallization. Step7: Collecting Harvest Which one is the correct sequence during the industrial production of sugar?
Step1:Juicing
Step2:Cleansing and Grinding Step3:Clarifying Step4:Refinery Step5:Evaporation Step6:Crystallization. Step7: Collecting Harvest Which one is the correct sequence during the industrial production of sugar?
Anonymous Quiz
15%
Step1 ----> Step2 ---> Step3 ----> step4 ---> step5 ----> step6 ----step7.
23%
Step7 --->step4-->step3---->step1 ---> step5 ----> step2 ----> step6.
54%
Step7 ---> step2 --->step1 ----> step3--->step5 ----> step6----> step4.
9%
Step7----> step3----> step1 -----> step2 ---> step5 ----->step6 ----->step4.
❤2🤔1
Drug resistance in bacteria is often the result of __________.
Anonymous Quiz
20%
genetic variation
20%
genetic drift
45%
genetic mutation
16%
genetic counseling
Which of the following evolution does occur when two species evolve independently of each other, maintaining the same level of similarity?
Anonymous Quiz
12%
Divergent evolution
34%
Convergent evolution
51%
Parallel evolution
3%
Analagous structure
❤1
English some questions about subject-verb agreement:
1. The price of these jeans ______ too high.
a) is
b) are
c) be
d) being
2. Everybody ______ to be recognized.
a) want
b) wants
c) wanting
d) have wanted
3. Neither the students nor the teacher ______ happy with the test results.
a) was
b) were
c) is
d) are
4. Measles ______ a contagious disease.
a) is
b) are
c) were
d) be
5. Many ______ late to the meeting.
a) was
b) were
c) is
d) being
6. The team ______ playing well this season.
a) is
b) are
c) am
d) being
7. Here ______ the books you asked for.
a) is
b) are
c) am
d) being
8. Each of the girls ______ a beautiful dress.
a) have
b) has
c) having
d) had
9. The data ______ inconclusive.
a) is
b) are
c) am
d) being
10. Five dollars ______ too much to pay for that coffee.
a) is
b) are
c) were
d) am
Try your best! If you want the answer, let me know please. 🙏
Good luck!
1. The price of these jeans ______ too high.
a) is
b) are
c) be
d) being
2. Everybody ______ to be recognized.
a) want
b) wants
c) wanting
d) have wanted
3. Neither the students nor the teacher ______ happy with the test results.
a) was
b) were
c) is
d) are
4. Measles ______ a contagious disease.
a) is
b) are
c) were
d) be
5. Many ______ late to the meeting.
a) was
b) were
c) is
d) being
6. The team ______ playing well this season.
a) is
b) are
c) am
d) being
7. Here ______ the books you asked for.
a) is
b) are
c) am
d) being
8. Each of the girls ______ a beautiful dress.
a) have
b) has
c) having
d) had
9. The data ______ inconclusive.
a) is
b) are
c) am
d) being
10. Five dollars ______ too much to pay for that coffee.
a) is
b) are
c) were
d) am
Try your best! If you want the answer, let me know please. 🙏
Good luck!
🙏7❤1
Before it widened its research the Armauer Hansen Research institute studied only:
Anonymous Quiz
18%
HIV/AIDS
19%
Tuberculosis
54%
Leprosy
9%
Cervical cancer
The law of conservation of momentum states that______.
Anonymous Quiz
12%
The momentum of any system does not change
17%
The momentum of any closed system does not change
24%
Momentum is neither created nor destroyed
48%
The momentum of any closed system with no net external force does not change
Two objects, A and B, are released from the same height. Object A has twice the mass of object B. Ignoring air resistance, what can you say about the conservation of mechanical energy between the two objects as they fall?
Anonymous Quiz
47%
Mechanical energy is conserved for both objects because their total energies remain constant.
32%
Mechanical energy is not conserved because the objects have different masses.
13%
Mechanical energy is conserved only if both objects fall with the same velocity.
8%
Mechanical energy is conserved only if both objects fall with the same acceleration.